EN - 28
Power consumption nominal
■
max 350 m
3
/h
7
■
max 450 m
3
/h
8
■
max 600 m
3
/h
8
0,12 A
0,19 A
0,19 A
Energy consumption maximum
9
70 W
Energy consumption nominal
9
■
max 350 m
3
/h
7
■
max 450 m
3
/h
8
■
max 600 m
3
/h
8
11 W
19 W
19 W
Power supply
220/230V AC, 50/60Hz, 1 phase
Connection data
Air inlet dimensions
180 mm
Air outlet dimensions
■
ComfoFond-L Q TR
■
ComfoFond-L Q ST
160 mm
180 mm
Ideal brine pressure
1,5 bar
Brine volume ComfoFond-L Q
+/- 2 l
Brine flow rate
■
max 350 m
3
/h
■
max 450 m
3
/h
■
max 600 m
3
/h
6-8 l/min.
8-10 l/min.
8-10 l/min.
Brine composition
30%-50% ethylene glycol water mixture
Brine connections
3/4” straight male-threaded
Maximum head circulation pump
7 m
Condensation drain connection
11/4” male-threaded with 32 mm adapter
General
IP class
44
Pump Class circulation pump
A
Mass
■
ComfoFond-L Q TR
■
ComfoFond-L Q ST
46 kg
47 kg
Unit dimensions (l x b x h)
476 x 551 x 760 mm
Outside temperature operating area
-22 ºC to 45 ºC
Colour
RAL7045
1
Qv = 350 m
3
/h, Toutside air = -12 °C, Tbrine flow = 8 °C, vbrine flow = 6 l/min, Tsupply air = 2,3 °C.
2
Qv = 350 m
3
/h, Toutside = 35 °C, Tbrine flow = 12 °C, vbrine flow = 6 l/min, Tsupply air = 17,3 °C.
3
Qv = 450 m
3
/h, Toutside = -12 °C, Tbrine flow = 8 °C, vbrine flow = 8 l/min, Tsupply air = 1.5 °C.
4
Qv = 450 m
3
/h, Toutside = 35 °C, Tbrine flow = 12 °C, vbrine flow = 8 l/min, Tsupply air = 18 °C.
5
Qv = 600 m
3
/h, Toutside = -12 °C, Tbrine flow = 8 °C, vbrine flow = 8 l/min, Tsupply air = -0.5 °C.
6
Qv = 600 m
3
/h, Toutside = 35 °C, Tbrine flow = 12 °C, vbrine flow = 8 l/min, Tsupply air = 20.3 °C.
7
subsoil heat collector: 100 m, 25/20,4 mm, 6 l/min
8
subsoil heat collector: 100 m, 25/20,4 mm, 8 l/min
9
Linear adjustment of the energy consumption is possible
8.1 Brine loop dimensions
The ComfoFond-L Q terrestrial heat collector (recommendations)
Maximum m
3
/h
Pipe type
Brine volume per 10
metre pipe [l]
Minimum length pipe in
solid ground [m]
Minimum length pipe
in sandy ground [m]
350
25/20.4 PE
3,3
65
130
450
32/26.2 PE
5,3
100
200
600
32/26.2 PE
5,3
110
220
8.2 Brine mixture
Desired ethylene glycol percentage
Maximum outside temperature [ºC]
Percentage [%]
-15
35
-20
40
-25
45
-30
50
Higher concentrations of ethylene glycol can
cause flow-related problems on account of the
viscosity of the mixture. Irreversible damage will
be caused to the machine if concentrations in
excess of 50% are used.
Summary of Contents for ComfoFond-L Q ST
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